Ectodermal Dysplasia Society

Description: Ectodermal Dysplasia (ED) is not a single disorder, but a group of closely related conditions. More than 150 different syndromes have been identified. The Ectodermal Dysplasias are heritable conditions in which there are abnormalities of two or more ectodermal structures such as the hair (tends to be very thin and sparse),teeth (absent, pointed or conical), nails, sweat glands (little or no sweating), cranial-facial structure, the eyes, digits and other parts of the body. Each combination of features represents another type of ED Syndrome and has a specific name.